On this page, we present all of the funds holding VSTM from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding VSTM, with a link to that fund's top holdings. The next columns indicate the amount of VSTM stock held by each of the funds holding VSTM, followed by the VSTM position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 58 funds holding VSTM within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Viking Global Investors LP. For more details on the positions held by Viking Global Investors LP (or by any of the other funds holding VSTM), click the fund name in the "Holder" column of the funds-holding-VSTM table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Viking Global Investors LP	2,456,292	$19,994	12/31/2023
VSTM	2,456,292	$19,994	12/31/2023
BVF Inc. IL	1,685,219	$13,718	12/31/2023
VSTM	1,685,219	$13,718	12/31/2023
Deerfield Management Company L.P. Series C	1,538,461	$12,523	12/31/2023
VSTM	1,538,461	$12,523	12/31/2023
Vivo Capital LLC	1,538,461	$12,523	12/31/2023
VSTM	1,538,461	$12,523	12/31/2023
Orbimed Advisors LLC	1,529,115	$12,447	12/31/2023
VSTM	1,529,115	$12,447	12/31/2023
Soleus Capital Management L.P.	1,425,634	$11,605	12/31/2023
VSTM	1,425,634	$11,605	12/31/2023
Adage Capital Partners GP L.L.C.	1,300,000	$10,582	12/31/2023
VSTM	1,300,000	$10,582	12/31/2023
Vanguard Group Inc.	1,150,253	$9,363	12/31/2023
VSTM	1,150,253	$9,363	12/31/2023
Tang Capital Management LLC	741,514	$6,036	12/31/2023
VSTM	741,514	$6,036	12/31/2023
Citadel Advisors LLC		$4,703	12/31/2023
VSTM	576,231	$4,691	12/31/2023
Call	3,300	$27	12/31/2023
Put	1,800	$15	12/31/2023
BlackRock Inc.	326,512	$2,658	12/31/2023
VSTM	326,512	$2,658	12/31/2023
Acuta Capital Partners LLC	232,249	$1,891	12/31/2023
VSTM	232,249	$1,891	12/31/2023
Geode Capital Management LLC	232,128	$1,890	12/31/2023
VSTM	232,128	$1,890	12/31/2023
Opaleye Management Inc.	211,400	$1,721	12/31/2023
VSTM	211,400	$1,721	12/31/2023
Sectoral Asset Management Inc	203,327	$1,655	12/31/2023
VSTM	203,327	$1,655	12/31/2023
Vontobel Holding Ltd.	203,327	$1,655	12/31/2023
VSTM	203,327	$1,655	12/31/2023
Susquehanna International Group LLP	162,312	$1,321	12/31/2023
VSTM	162,312	$1,321	12/31/2023
Jefferies Financial Group Inc.	159,541	$1,299	12/31/2023
VSTM	159,541	$1,299	12/31/2023
AlphaCentric Advisors LLC	150,000	$1,221	12/31/2023
VSTM	150,000	$1,221	12/31/2023
Morgan Stanley	143,600	$1,169	12/31/2023
VSTM	143,600	$1,169	12/31/2023
State Street Corp	83,587	$680	12/31/2023
VSTM	83,587	$680	12/31/2023
Millennium Management LLC	83,114	$677	12/31/2023
VSTM	83,114	$677	12/31/2023
Citigroup Inc.	73,908	$602	12/31/2023
VSTM	73,908	$602	12/31/2023
UBS Oconnor LLC	61,803	$503	12/31/2023
VSTM	61,803	$503	12/31/2023
Royal Bank of Canada	54,661	$444	12/31/2023
VSTM	54,661	$444	12/31/2023
ExodusPoint Capital Management LP	51,379	$418	12/31/2023
VSTM	51,379	$418	12/31/2023
Northern Trust Corp	44,924	$366	12/31/2023
VSTM	44,924	$366	12/31/2023
Dimensional Fund Advisors LP	39,423	$321	12/31/2023
VSTM	39,423	$321	12/31/2023
Renaissance Technologies LLC	31,365	$255	12/31/2023
VSTM	31,365	$255	12/31/2023
NewEdge Wealth LLC	25,885	$211	12/31/2023
VSTM	25,885	$211	12/31/2023
Cornercap Investment Counsel Inc.	25,274	$206	12/31/2023
VSTM	25,274	$206	12/31/2023
Two Sigma Investments LP	22,612	$184	12/31/2023
VSTM	22,612	$184	12/31/2023
Goldman Sachs Group Inc.	21,799	$177	12/31/2023
VSTM	21,799	$177	12/31/2023
Bank of America Corp DE	19,315	$157	12/31/2023
VSTM	19,315	$157	12/31/2023
Stifel Financial Corp	17,570	$143	12/31/2023
VSTM	17,570	$143	12/31/2023
Cannon Global Investment Management LLC	11,100	$131	03/31/2024
VSTM	11,100	$131	03/31/2024
Aries Wealth Management	13,081	$106	12/31/2023
VSTM	13,081	$106	12/31/2023
Bank of New York Mellon Corp	11,499	$94	12/31/2023
VSTM	11,499	$94	12/31/2023
Jacobs Levy Equity Management Inc.	10,103	$82	12/31/2023
VSTM	10,103	$82	12/31/2023
Wells Fargo & Company MN	5,435	$44	12/31/2023
VSTM	5,435	$44	12/31/2023
Advisory Services Network LLC	3,094	$25	12/31/2023
VSTM	3,094	$25	12/31/2023
Loring Wolcott & Coolidge Fiduciary Advisors LLP MA	2,949	$24	12/31/2023
VSTM	2,949	$24	12/31/2023
UBS Group AG	2,914	$24	12/31/2023
VSTM	2,914	$24	12/31/2023
Qube Research & Technologies Ltd	2,367	$19	12/31/2023
VSTM	2,367	$19	12/31/2023
Simplex Trading LLC		$14	12/31/2023
VSTM	1,292	$10	12/31/2023
Call	500	$4	12/31/2023
Advisor Group Holdings Inc.	1,542	$13	12/31/2023
VSTM	1,542	$13	12/31/2023
FMR LLC	1,386	$11	12/31/2023
VSTM	1,386	$11	12/31/2023
Institutional & Family Asset Management LLC	1,286	$10	12/31/2023
VSTM	1,286	$10	12/31/2023
Barclays PLC	1,061	$9	12/31/2023
VSTM	1,061	$9	12/31/2023
Rhumbline Advisers	674	$5	12/31/2023
VSTM	674	$5	12/31/2023
JPMorgan Chase & Co.	341	$3	12/31/2023
VSTM	341	$3	12/31/2023
Tower Research Capital LLC TRC	200	$2	12/31/2023
VSTM	200	$2	12/31/2023
First Manhattan Co.	81	$1	12/31/2023
VSTM	81	$1	12/31/2023
Group One Trading L.P.	92	$1	12/31/2023
VSTM	92	$1	12/31/2023
Northwestern Mutual Wealth Management Co.	166	$1	12/31/2023
VSTM	166	$1	12/31/2023
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
VSTM	16	$0	12/31/2023
Harbour Investments Inc.	14	$0	12/31/2023
VSTM	14	$0	12/31/2023
Global Retirement Partners LLC	8	$0	12/31/2023
VSTM	8	$0	12/31/2023
PSI Advisors LLC	27	$0	12/31/2023
VSTM	27	$0	12/31/2023